Permit Record

Alteration Residential

4060 W 21st St #1-4, Los Angeles, CA 90018

ClassificationBldg-Alter/Repair - ApartmentMultifamily Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Not in source
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
5060010033
Climate zone (IECC)
3B
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
Not in source
Building subtype
Apartment
Geocode & dates
Coordinates
34.0378, -118.3299
Geocode confidence
100%
Geocode source
Not in source
Issued
Sep 23, 2009
Applied
Sep 23, 2009
Work class
Residential
Description
Source description

SUPPLEMENTAL TO PERMIT # 09016-30000-12499 TO REVISE BLDG PERMIT APPLICATION TYPE FROM 1 OR 2 FAMILY DWELLING TO APARTMENT (NO FEE DPT ERROR).

Status
Current status
expired
Source status
Permit Expired
Provenance
First seen by PermitCore
May 19, 2026 · 02:58 UTC
Last seen
Jul 5, 2026 · 12:55 UTC
Last changed
May 19, 2026 · 02:58 UTC
Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
Project timeline at this parcel

3 permits at this parcel (parcel 5060010033) · Nov 7, 2007 – Sep 23, 2009

  1. Sep 23, 2009This permitAlteration Residential · Expired
  2. Aug 27, 200909016-30000-12499Alteration Commercial · Finaled$45,000
  3. Nov 7, 200707016-70000-21417Alteration Residential · Finaled$2,000

Full permit history at this parcel · as of Jul 8, 2026.

Developer details
Permit #
09016-30001-12499
Canonical ID
10:09016-30001-12499
Source permit ID
09016-30001-12499
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